Hot Melt Molding Case Study: "LED Module Waterproof Sealing"
Low Pressure Molding, Hot Melt Molding, Waterproof and Dustproof Sealing Molding
LED module waterproof sealing! A case of process improvement through switching from potting.
Hot melt molding is a molding technology that involves injecting a solvent-free, one-component thermoplastic hot melt adhesive into a mold under low pressure. This method is widely used for purposes such as dust-proofing, waterproofing, vibration resistance, impact resistance, insulation, and housing functionality. In this catalog, we introduce a case where the process was improved by switching from potting to hot melt molding for waterproof sealing of LED modules. 【Conventional Method: Silicone Potting】 - A bathtub for polycarbonate molded products is created. - The module is placed in the case and secured. - Silicone resin is poured in and cured by heating for 80 minutes. ↓ 【Hot Melt Molding Method】 - Two modules are set on the mold. - Pressing the molding start button completes the sealing in 40 seconds. *For more details, please refer to the catalog or feel free to contact us.
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Our company provides comprehensive support for the introduction of hot melt molding methods, from initial technical discussions and appropriate hot melt selection to prototype production and evaluation, optimal process considerations for mass production, proposals for optimal equipment or the design and manufacturing of dedicated machines (automated systems), hot melt supply and line support. For customers for whom equipment installation poses a barrier to adopting this method, we even offer production contracting at our facility, ensuring support from "start to finish." **Benefits of Hot Melt Molding** - Improved production efficiency and cost reduction through alternative methods to potting - Greater design flexibility due to mold forming, enabling miniaturization and lightweighting of components - Use of sustainable raw materials derived from natural fatty acids We have various molding machines and displays of adopted products available at our prototype lab in Fuji City, Shizuoka Prefecture. Please feel free to visit, even just for a tour.